Model: 75166 » View Series Overview

Oriel Chopper Wheel, 12 Apertures

  • $97.00

Additional Photos

  • Figure 1. Maximum beam size is dependent on wheel's aperture size.



The 75166 is a twelve-aperture chopper wheel used with the 75160NF Oriel Optical Chopper Controller. The maximum beam size able to pass through the apertures is 0.43 inch [11 mm] diameter. The wheel is precision etched, and coated with a broadband absorber to minimize retroreflections. The chopper controller is used to adjust the chopping rate from 60 Hz to 800 Hz.